Overview Reviews Product Description Pilot CON-40 twist-type converter can be used with all current Pilot Fountain Pens. Holds 0.4ml of ink. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Pilot Pilot CON-40 Fountain Pen Ink Converter (CON-40-EX) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments